package com.day13.interger;

public class IntergerDemo {
    public static void main(String[] args) {
        Integer i1=new Integer(100);
        System.out.println(i1);
        Integer i2=new Integer("100");
        System.out.println(i2);
        System.out.println("-----");
        Integer i3=Integer.valueOf(100);
        System.out.println(i3);
        Integer i4=Integer.valueOf("100");
        System.out.println(i4);
    }
}
